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Re: o2 sensors- sensor 2 the rear one? (hiwinds)

Yes, the one on the cat. Any mods? Checked the cable for damage?

Tom.
 

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9,303 Posts
Re: o2 sensors- sensor 2 the rear one? (hiwinds)

None of those mods should cause this problem. And tuning the engine won't, either. It is probably a damaged cable/connector, an aged/failed sensor, or ... a bad cat. If you don't see anything obvious, take it in.

Tom.
 
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